"Do good, and disappear."
Some words, some advice, tends to stick with us forever. It's great because it's so tough to take. "Do good and disappear" was the essence of his personal code and it really struck a chord with me.

The challenge is truly immense. We all crave recognition, reward, and acknowledgement when we help others or when we accomplish stuff. We all seem to need gratitude and appreciation. It's an insecurity. A weakness shared. Just be a quiet professional he said. Do your job. Let the work you do speak for itself. "Just do good and disappear."